12-30=2(-n+3)

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Solution for 12-30=2(-n+3) equation:


Simplifying
12 + -30 = 2(-1n + 3)

Combine like terms: 12 + -30 = -18
-18 = 2(-1n + 3)

Reorder the terms:
-18 = 2(3 + -1n)
-18 = (3 * 2 + -1n * 2)
-18 = (6 + -2n)

Solving
-18 = 6 + -2n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '2n' to each side of the equation.
-18 + 2n = 6 + -2n + 2n

Combine like terms: -2n + 2n = 0
-18 + 2n = 6 + 0
-18 + 2n = 6

Add '18' to each side of the equation.
-18 + 18 + 2n = 6 + 18

Combine like terms: -18 + 18 = 0
0 + 2n = 6 + 18
2n = 6 + 18

Combine like terms: 6 + 18 = 24
2n = 24

Divide each side by '2'.
n = 12

Simplifying
n = 12

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